Home / 298,935,643.10-448,403,464.65-161,186,135.90

Finding the Fourth Proportional to 298,935,643.10, 448,403,464.65 and 161,186,135.90

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Solution

The fourth proportional to 298,935,643.10, 448,403,464.65 and 161,186,135.90 is: 241,779,203.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,935,643.10 : 448,403,464.65 = 161,186,135.90 : x
  2. Step 2: Convert to fraction form
    298,935,643.10/448,403,464.65 = 161,186,135.90/x
  3. Step 3: Cross multiply
    298,935,643.10x = 448,403,464.65 × 161,186,135.90
  4. Step 4: Simplify right side
    298,935,643.10x = 72,276,421,791,105,744
  5. Step 5: Solve for x
    x = 72,276,421,791,105,744/298,935,643.10
  6. Step 6: Final answer
    x = 241,779,203.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.